diff --git a/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/core/TargetEventPublication.java b/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/core/TargetEventPublication.java
index 67f2754d..1b747e6e 100644
--- a/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/core/TargetEventPublication.java
+++ b/spring-modulith-events/spring-modulith-events-core/src/main/java/org/springframework/modulith/events/core/TargetEventPublication.java
@@ -75,7 +75,7 @@ public interface TargetEventPublication extends Completable, org.springframework
 	}
 
 	/**
-	 * Returns whether the {@link TargetEventPublication} is associated with the given event and
+	 * Returns whether the {@link TargetEventPublication} is associated with the given event instance and
 	 * {@link PublicationTargetIdentifier}.
 	 *
 	 * @param event must not be {@literal null}.
@@ -87,6 +87,6 @@ public interface TargetEventPublication extends Completable, org.springframework
 		Assert.notNull(event, "Event must not be null!");
 		Assert.notNull(identifier, "PublicationTargetIdentifier must not be null!");
 
-		return isIdentifiedBy(identifier) && getEvent().equals(event);
+		return isIdentifiedBy(identifier) && getEvent() == event;
 	}
 }
diff --git a/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/DefaultEventPublicationRegistryUnitTests.java b/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/DefaultEventPublicationRegistryUnitTests.java
index 8c3fe0b2..18ba5c3b 100644
--- a/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/DefaultEventPublicationRegistryUnitTests.java
+++ b/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/DefaultEventPublicationRegistryUnitTests.java
@@ -82,6 +82,24 @@ class DefaultEventPublicationRegistryUnitTests {
 		assertThat(registry.getPublicationsInProgress()).isEmpty();
 	}
 
+	@Test // GH-1056
+	void obtainsCorrectInProgressPublicationForIdenticalEvents() {
+
+		var inProgress = createRegistry(Instant.now()).getPublicationsInProgress();
+
+		var identifier = PublicationTargetIdentifier.of("id");
+
+		var firstEvent = new SampleEvent("Foo");
+		var secondEvent = new SampleEvent("Foo");
+
+		var first = inProgress.register(TargetEventPublication.of(firstEvent, identifier));
+		var second = inProgress.register(TargetEventPublication.of(secondEvent, identifier));
+
+		assertThat(inProgress.getPublication(firstEvent, identifier)).containsSame(first);
+		assertThat(inProgress.getPublication(secondEvent, identifier)).containsSame(second);
+
+	}
+
 	private DefaultEventPublicationRegistry createRegistry(Instant instant) {
 
 		var clock = Clock.fixed(instant, ZoneId.systemDefault());
@@ -94,4 +112,6 @@ class DefaultEventPublicationRegistryUnitTests {
 			throw new IllegalStateException();
 		};
 	}
+
+	record SampleEvent(String payload) {}
 }
diff --git a/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/TargetEventPublicationUnitTests.java b/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/TargetEventPublicationUnitTests.java
index 56e3078d..2beef052 100644
--- a/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/TargetEventPublicationUnitTests.java
+++ b/spring-modulith-events/spring-modulith-events-core/src/test/java/org/springframework/modulith/events/core/TargetEventPublicationUnitTests.java
@@ -51,4 +51,19 @@ class TargetEventPublicationUnitTests {
 		assertThat(publication.isCompleted()).isFalse();
 		assertThat(publication.getCompletionDate()).isNotPresent();
 	}
+
+	@Test // GH-1056
+	void isOnlyAssociatedWithTheVerySameEventInstance() {
+
+		var first = new SampleEvent("Foo");
+		var second = new SampleEvent("Foo");
+
+		var identifier = PublicationTargetIdentifier.of("id");
+		var publication = TargetEventPublication.of(first, identifier);
+
+		assertThat(publication.isAssociatedWith(first, identifier)).isTrue();
+		assertThat(publication.isAssociatedWith(second, identifier)).isFalse();
+	}
+
+	record SampleEvent(String payload) {}
 }